(V·D)E+(V×E)×D(VB)H+(VxF/)xOD aB B+一×D at at (VDE+(DV)E-V(E·D) 考虑 均匀 (D×B 介质 V·ODE)-V[I(E·D) V(ED)=EX(VXD)+(E V)D V·[DE-/(E·D) +Dx(V×E)+(D.V)E 同(B)H+(xh)xB =2E[E×(V×E)+(EV)E] 理=V.[B-(B.H =2[D×V×E)+(DV)E] (VE)×D=ODV)E-V(E.D) Jf DX B)+V [(DE+BH)-I(ED+B H)I at OIOIOIDIOIO 机动目录上页下页返回结束机动 目录 上页 下页 返回 结束 ( ) ( ) ( ) ( ) D B D E E D B H H B B D t t   =  +   +  +   −  +    ( ) ( ) ( ) ( ) ( ) E D E D E D D E D E   =   +  +   +  2 [E ( E) (E )E]     =    +  2[D ( E) (D )E]     =   +  1 ( ) ( ) ( ) 2   =  −   E D D E E D ( ) D B t  = −   1 ( ) ( ) ( ) 2 =  +  −   D E D E E D 1 ( ) [ ( )] 2 =  −   DE I E D 1 [ ( )] 2 =   −  DE I E D 考虑 均匀 介质 ( ) ( ) 1 [ ( )] 2 B H H B BH I B H  +   =  −  同 理 1 ( ) [( ) ( )] 2 f D B DE BH I E D B H t  = −  +  + −  +  